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101111000211980 = 2251112491481248461
BaseRepresentation
bin10110111111010110111101…
…010000000010001000001100
3111021000010011110012222000222
4112333112331100002020030
5101223100312023240410
6555013430253010512
730204012562134533
oct2677267520021014
9437003143188028
10101111000211980
112a242a30730250
12b40bba5483a38
134455959bc1195
141ad7b2720331a
15ba51e0d52955
hex5bf5bd40220c

101111000211980 has 96 divisors (see below), whose sum is σ = 231979030920000. Its totient is φ = 36713244672000.

The previous prime is 101111000211979. The next prime is 101111000212037. The reversal of 101111000211980 is 89112000111101.

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, 406824950 + ... + 407073410.

It is an arithmetic number, because the mean of its divisors is an integer number (2416448238750).

Almost surely, 2101111000211980 is an apocalyptic number.

101111000211980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111000211980 is an abundant number, since it is smaller than the sum of its proper divisors (130868030708020).

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

101111000211980 is a wasteful number, since it uses less digits than its factorization.

101111000211980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251211 (or 251209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 101111000211980 in words is "one hundred one trillion, one hundred eleven billion, two hundred eleven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1249 1481 2498 2962 4996 5924 6245 7405 12490 13739 14810 16291 24980 27478 29620 32582 54956 65164 68695 81455 137390 162910 248461 274780 325820 496922 993844 1242305 1849769 2484610 2733071 3699538 4969220 5466142 7399076 9248845 10932284 13665355 18497690 20347459 27330710 36995380 40694918 54661420 81389836 101737295 203474590 310327789 367970741 406949180 620655578 735941482 1241311156 1471882964 1551638945 1839853705 3103277890 3413605679 3679707410 4047678151 6206555780 6827211358 7359414820 8095356302 13654422716 16190712604 17068028395 20238390755 34136056790 40476781510 68272113580 80953563020 459595455509 919190911018 1838381822036 2297977277545 4595954555090 5055550010599 9191909110180 10111100021198 20222200042396 25277750052995 50555500105990 101111000211980