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1018201828201 = 29491508714057
BaseRepresentation
bin11101101000100011000…
…11101110101101101001
310121100011020101002202021
432310101203232231221
5113140234132000301
62055431102504441
7133363663511365
oct16642143565551
93540136332667
101018201828201
113628a9429918
12145401895121
137502927359c
14373d19b02a5
151b7446da8a1
hexed118eeb69

1018201828201 has 16 divisors (see below), whose sum is σ = 1055740055040. Its totient is φ = 980826555520.

The previous prime is 1018201828199. The next prime is 1018201828249. The reversal of 1018201828201 is 1028281028101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1018201828201 - 21 = 1018201828199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018201828801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72426765 + ... + 72440821.

It is an arithmetic number, because the mean of its divisors is an integer number (65983753440).

Almost surely, 21018201828201 is an apocalyptic number.

It is an amenable number.

1018201828201 is a deficient number, since it is larger than the sum of its proper divisors (37538226839).

1018201828201 is a wasteful number, since it uses less digits than its factorization.

1018201828201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19664.

The product of its (nonzero) digits is 4096, while the sum is 34.

The spelling of 1018201828201 in words is "one trillion, eighteen billion, two hundred one million, eight hundred twenty-eight thousand, two hundred one".

Divisors: 1 29 491 5087 14057 14239 147523 407653 2497717 6901987 71507959 72433793 200157623 2073730811 35110407869 1018201828201