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200101210988 = 2277146471821
BaseRepresentation
bin1011101001011011110…
…1100010101101101100
3201010111101201201212112
42322112331202231230
511234301402222423
6231531503223152
720312460141530
oct2722675425554
9633441651775
10200101210988
1177953a0a548
12329455a7ab8
1315b3c297c33
149983709bc0
1553122b7a78
hex2e96f62b6c

200101210988 has 12 divisors (see below), whose sum is σ = 400202422032. Its totient is φ = 85757661840.

The previous prime is 200101210949. The next prime is 200101211047. The reversal of 200101210988 is 889012101002.

200101210988 is an admirable number.

It is a super-2 number, since 2×2001012109882 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573235883 + ... + 3573235938.

It is an arithmetic number, because the mean of its divisors is an integer number (33350201836).

Almost surely, 2200101210988 is an apocalyptic number.

200101210988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

200101210988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

200101210988 is a wasteful number, since it uses less digits than its factorization.

200101210988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146471832 (or 7146471830 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 200101210988 in words is "two hundred billion, one hundred one million, two hundred ten thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 7146471821 14292943642 28585887284 50025302747 100050605494 200101210988