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102101541421450 = 2523203775382231
BaseRepresentation
bin10111001101110001011110…
…000110111000000110001010
3111101111210220222021001012211
4113031301132012320012022
5101340312424100441300
61001052444532455334
730335410243402024
oct2715613606700612
9441453828231184
10102101541421450
112a59502539488a
12b54bb6777a54a
1344c819865283c
141b2da53329014
15bc0d66eb44ba
hex5cdc5e1b818a

102101541421450 has 48 divisors (see below), whose sum is σ = 189994970990016. Its totient is φ = 40822103318400.

The previous prime is 102101541421409. The next prime is 102101541421457. The reversal of 102101541421450 is 54124145101201.

It is a super-3 number, since 3×1021015414214503 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102101541421457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1241601835 + ... + 1241684065.

It is an arithmetic number, because the mean of its divisors is an integer number (3958228562292).

Almost surely, 2102101541421450 is an apocalyptic number.

102101541421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101541421450 is a deficient number, since it is larger than the sum of its proper divisors (87893429568566).

102101541421450 is a wasteful number, since it uses less digits than its factorization.

102101541421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93199 (or 93194 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 102101541421450 its reverse (54124145101201), we get a palindrome (156225686522651).

The spelling of 102101541421450 in words is "one hundred two trillion, one hundred one billion, five hundred forty-one million, four hundred twenty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 3203 6406 7753 15506 16015 32030 38765 77530 80075 82231 160150 164462 193825 387650 411155 822310 2055775 4111550 24832859 49665718 124164295 248328590 263385893 526771786 620821475 637536943 1241642950 1275073886 1316929465 2633858930 3187684715 6375369430 6584647325 13169294650 15938423575 31876847150 2042030828429 4084061656858 10210154142145 20420308284290 51050770710725 102101541421450