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144666026644 = 223712739719387
BaseRepresentation
bin1000011010111011000…
…1000110001010010100
3111211102000122120222211
42012232301012022110
54332234000323034
6150243023003204
713310646636346
oct2065661061224
9454360576884
10144666026644
1156397223007
1224054439504
13108464893c9
1470051d5296
153b6a6a7d64
hex21aec46294

144666026644 has 48 divisors (see below), whose sum is σ = 262728804352. Its totient is φ = 69644437632.

The previous prime is 144666026629. The next prime is 144666026683. The reversal of 144666026644 is 446620666441.

It is a congruent 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, 7452319 + ... + 7471705.

Almost surely, 2144666026644 is an apocalyptic number.

It is an amenable number.

144666026644 is a deficient number, since it is larger than the sum of its proper divisors (118062777708).

144666026644 is a wasteful number, since it uses less digits than its factorization.

144666026644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19952 (or 19950 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 144666026644 in words is "one hundred forty-four billion, six hundred sixty-six million, twenty-six thousand, six hundred forty-four".

Divisors: 1 2 4 37 74 127 148 254 397 508 794 1588 4699 9398 14689 18796 19387 29378 38774 50419 58756 77548 100838 201676 717319 1434638 1865503 2462149 2869276 3731006 4924298 7462012 7696639 9848596 15393278 30786556 91099513 182199026 284775643 364398052 569551286 977473153 1139102572 1954946306 3909892612 36166506661 72333013322 144666026644