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190514857848 = 233717109361031
BaseRepresentation
bin1011000101101110010…
…0100000011101111000
3200012202022022112120020
42301123210200131320
511110133300422343
6223304334330440
716523064400230
oct2613344403570
9605668275506
10190514857848
1173884741547
1230b0b059a20
1314c721b9823
1493144a0cc0
154e508b6b83
hex2c5b920778

190514857848 has 128 divisors (see below), whose sum is σ = 576884229120. Its totient is φ = 51183175680.

The previous prime is 190514857817. The next prime is 190514857859. The reversal of 190514857848 is 848758415091.

It is a super-2 number, since 2×1905148578482 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190514857791 and 190514857800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3091093 + ... + 3152123.

It is an arithmetic number, because the mean of its divisors is an integer number (4506908040).

Almost surely, 2190514857848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190514857848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288442114560).

190514857848 is an abundant number, since it is smaller than the sum of its proper divisors (386369371272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190514857848 is a wasteful number, since it uses less digits than its factorization.

190514857848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62157 (or 62153 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 60.

The spelling of 190514857848 in words is "one hundred ninety billion, five hundred fourteen million, eight hundred fifty-seven thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1093 1428 2186 2856 3279 4372 6558 7651 8744 13116 15302 18581 22953 26232 30604 37162 45906 55743 61031 61208 74324 91812 111486 122062 130067 148648 183093 183624 222972 244124 260134 366186 390201 427217 445944 488248 520268 732372 780402 854434 1037527 1040536 1281651 1464744 1560804 1708868 2075054 2563302 3112581 3121608 3417736 4150108 5126604 6225162 7262689 8300216 10253208 12450324 14525378 21788067 24900648 29050756 43576134 58101512 66706883 87152268 133413766 174304536 200120649 266827532 400241298 466948181 533655064 800482596 933896362 1134017011 1400844543 1600965192 1867792724 2268034022 2801689086 3402051033 3735585448 4536068044 5603378172 6804102066 7938119077 9072136088 11206756344 13608204132 15876238154 23814357231 27216408264 31752476308 47628714462 63504952616 95257428924 190514857848