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1487681921002 = 21315678175271
BaseRepresentation
bin10101101001100000110…
…000001001111111101010
312021012222002222220000111
4111221200300021333222
5143333233032433002
63055233122324534
7212324100453544
oct25514060117752
95235862886014
101487681921002
11523a1672a312
122003a57b974a
13aa3983c4074
145200b6d0694
1528a70c483d7
hex15a60c09fea

1487681921002 has 8 divisors (see below), whose sum is σ = 2248557407712. Its totient is φ = 738162785100.

The previous prime is 1487681920969. The next prime is 1487681921009. The reversal of 1487681921002 is 2001291867841.

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

It is not an unprimeable number, because it can be changed into a prime (1487681921009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2839087374 + ... + 2839087897.

It is an arithmetic number, because the mean of its divisors is an integer number (281069675964).

Almost surely, 21487681921002 is an apocalyptic number.

1487681921002 is a deficient number, since it is larger than the sum of its proper divisors (760875486710).

1487681921002 is a wasteful number, since it uses less digits than its factorization.

1487681921002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678175404.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 1487681921002 in words is "one trillion, four hundred eighty-seven billion, six hundred eighty-one million, nine hundred twenty-one thousand, two".

Divisors: 1 2 131 262 5678175271 11356350542 743840960501 1487681921002