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70012421042 = 2211165906211
BaseRepresentation
bin100000100110100010…
…0001100001110110010
320200201021201111100012
41001031010030032302
52121341134433132
652055133054522
75025654521414
oct1011504141662
9220637644305
1070012421042
11277682061a3
121169b027442
1367a9ba6195
14356252a9b4
151c4b7660b2
hex104d10c3b2

70012421042 has 8 divisors (see below), whose sum is σ = 105516350832. Its totient is φ = 34840304100.

The previous prime is 70012421023. The next prime is 70012421051. The reversal of 70012421042 is 24012421007.

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

It is a junction number, because it is equal to n+sod(n) for n = 70012420999 and 70012421017.

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, 82952684 + ... + 82953527.

It is an arithmetic number, because the mean of its divisors is an integer number (13189543854).

Almost surely, 270012421042 is an apocalyptic number.

70012421042 is a deficient number, since it is larger than the sum of its proper divisors (35503929790).

70012421042 is a wasteful number, since it uses less digits than its factorization.

70012421042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165906424.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 70012421042 its reverse (24012421007), we get a palindrome (94024842049).

The spelling of 70012421042 in words is "seventy billion, twelve million, four hundred twenty-one thousand, forty-two".

Divisors: 1 2 211 422 165906211 331812422 35006210521 70012421042