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61001051010 = 23511031843489
BaseRepresentation
bin111000110011111100…
…100010101110000010
312211110021020110120120
4320303330202232002
51444412232113020
644005024121110
74256443243524
oct706374425602
9184407213516
1061001051010
1123963559549
12b9a5166196
1359a1c74873
142d497d5a14
1518c0590740
hexe33f22b82

61001051010 has 32 divisors (see below), whose sum is σ = 146535333120. Its totient is φ = 16252190208.

The previous prime is 61001050937. The next prime is 61001051039. The reversal of 61001051010 is 1015010016.

61001051010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×610010510102 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888655 + ... + 954834.

It is an arithmetic number, because the mean of its divisors is an integer number (4579229160).

Almost surely, 261001051010 is an apocalyptic number.

61001051010 is an abundant number, since it is smaller than the sum of its proper divisors (85534282110).

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

61001051010 is a wasteful number, since it uses less digits than its factorization.

61001051010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844602.

The product of its (nonzero) digits is 30, while the sum is 15.

Adding to 61001051010 its reverse (1015010016), we get a palindrome (62016061026).

The spelling of 61001051010 in words is "sixty-one billion, one million, fifty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 1103 2206 3309 5515 6618 11030 16545 33090 1843489 3686978 5530467 9217445 11060934 18434890 27652335 55304670 2033368367 4066736734 6100105101 10166841835 12200210202 20333683670 30500525505 61001051010