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201120210987 = 3431559071403
BaseRepresentation
bin1011101101001110110…
…0101110000000101011
3201020010102011022002020
42323103230232000223
511243343233222422
6232220544035523
720346642405153
oct2732354560053
9636112138066
10201120210987
1178327130303
1232b8a902ba3
1315c72428307
149a3cba1763
15537199d95c
hex2ed3b2e02b

201120210987 has 8 divisors (see below), whose sum is σ = 274396567104. Its totient is φ = 130961997768.

The previous prime is 201120210983. The next prime is 201120211003. The reversal of 201120210987 is 789012021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201120210987 - 22 = 201120210983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201120210983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779535573 + ... + 779535830.

It is an arithmetic number, because the mean of its divisors is an integer number (34299570888).

Almost surely, 2201120210987 is an apocalyptic number.

201120210987 is a deficient number, since it is larger than the sum of its proper divisors (73276356117).

201120210987 is a wasteful number, since it uses less digits than its factorization.

201120210987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559071449.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 201120210987 in words is "two hundred one billion, one hundred twenty million, two hundred ten thousand, nine hundred eighty-seven".

Divisors: 1 3 43 129 1559071403 4677214209 67040070329 201120210987